8.1 vs. 6.6 - Page 2 - Chevy and GMC Duramax Diesel Forum
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post #11 of 16 (permalink) Old 01-24-2013, 05:59 PM
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i thought they got rid of the 8.1 in 2007?

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post #12 of 16 (permalink) Old 01-24-2013, 06:04 PM
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yep your right. my bad. 07 NBS

03 LB7 CC/SB 185k 6in fab tech 35.12.5 17 stts
5in custom build exhaust into 6in stack axle dump. Built front bumper with 2 light bars. Hids, ppe hot level 3, fass, biv, intake, 2-8" sub, infinitys, alpine deck, PAC exhaust break, air horns, brand new front end, leds in everything,
Sheet Metal workers local #55
90 xj on 40s and tons 4 linked with coilovers and half backed.
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post #13 of 16 (permalink) Old 01-25-2013, 03:29 PM
yep yep...
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Originally Posted by primetime_2 View Post
research says, the 01 & 02 big blocks had the most hp's outta the factory!
Probly so, but that one I drove was a ripshaft. I rode in a couple older 8.1's, they didnt run very well, they werent treated the best but they still seemed like they should have ran better.

05' Chevy LT Black on Black LLY CC/SB Blackout Performance built motor/trans/tuned- Gone

"The Blessed Hellride"-08' GMC Sierra SLT Z71 CC/SB White

Big Dipper Reger proof trans, some sissy tunes, 35's and old school built front end
Done with it
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post #14 of 16 (permalink) Old 01-25-2013, 08:59 PM
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I have an 07 classic ext. cab long bed 3/4 ton with a 8.1 in it. Great truck and pulls pretty good but I load it down with firewood or a 18 ft trailer loaded with horse crap. Not even close to what some people haul.

It is a great truck that sucks gas but I have a fleet car for work so I use it for the weekend worker. I have been looking for a LBZ but I am picky when it comes to color and interior. I also have to have a long bed. I thought about keeping the 8.1 and putting a cam in it but I had a diesel in the past and figure this is my last chance to get a diesel before everything gets too much emissions crap on it and the gov. smothers the trucks.

This forum is great even though I have the gasser. The exterior, interior, Allison and misc. are all the same.
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post #15 of 16 (permalink) Old 01-25-2013, 09:02 PM
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my buddy has one w straight piped no cats cai super sweet throttle body spacer and efi and my stock lmm ran away from it like a virgin at a whore house

2015 Denali HD white
feul 22s toyo mt 35s tint cognito stage 2 Efi live deleted color matched and blacked out and... a list or two
2015 Silverado LT crew white LML blacked out deleted efi denali 20s and a couple other small things
2004 GMC CCSB LLY 07 hood and grill exhaust efi tint smoked lights shaved 20s w 33s and another thing or two
2016 Black escalade esv 24' kmc slides Blacked out all over
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post #16 of 16 (permalink) Old 01-25-2013, 09:09 PM
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Dad's buddy has a 8.1. Pretty fast truck for a gasser
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